Zobrazeno 1 - 10
of 661
pro vyhledávání: '"Kiyoshi, Ueda"'
Autor:
James Unwin, Weronika O. Razmus, Felix Allum, James R. Harries, Yoshiaki Kumagai, Kiyonobu Nagaya, Mathew Britton, Mark Brouard, Philip Bucksbaum, Mizuho Fushitani, Ian Gabalski, Tatsuo Gejo, Paul Hockett, Andrew J. Howard, Hiroshi Iwayama, Edwin Kukk, Chow-shing Lam, Joseph McManus, Russell S. Minns, Akinobu Niozu, Sekito Nishimuro, Johannes Niskanen, Shigeki Owada, James D. Pickering, Daniel Rolles, James Somper, Kiyoshi Ueda, Shin-ichi Wada, Tiffany Walmsley, Joanne L. Woodhouse, Ruaridh Forbes, Michael Burt, Emily M. Warne
Publikováno v:
ACS Physical Chemistry Au, Vol 4, Iss 6, Pp 620-631 (2024)
Externí odkaz:
https://doaj.org/article/12993092df17459a86adc3e103eda879
Autor:
Chao Wang, Maomao Gong, Xi Zhao, Quan Wei Nan, Xin Yue Yu, Yongjun Cheng, Victor Kimberg, Xiao-Jing Liu, Oriol Vendrell, Kiyoshi Ueda, Song Bin Zhang
Publikováno v:
Communications Physics, Vol 7, Iss 1, Pp 1-8 (2024)
Abstract Time-resolved X-ray photoelectron spectroscopy (TXPS) is a well-established technique to probe coherent nuclear wavepacket dynamics using both table-top and free-electron-based ultrafast X-ray lasers. Energy resolution, however, becomes comp
Externí odkaz:
https://doaj.org/article/33331a154dd04a6aac5624a728b83263
Autor:
Christopher J. Milne, Natalia Nagornova, Thomas Pope, Hui-Yuan Chen, Thomas Rossi, Jakub Szlachetko, Wojciech Gawelda, Alexander Britz, Tim B. van Driel, Leonardo Sala, Simon Ebner, Tetsuo Katayama, Stephen H. Southworth, Gilles Doumy, Anne Marie March, C. Stefan Lehmann, Melanie Mucke, Denys Iablonskyi, Yoshiaki Kumagai, Gregor Knopp, Koji Motomura, Tadashi Togashi, Shigeki Owada, Makina Yabashi, Martin M. Nielsen, Marek Pajek, Kiyoshi Ueda, Rafael Abela, Thomas J. Penfold, Majed Chergui
Publikováno v:
Structural Dynamics, Vol 10, Iss 6, Pp 064501-064501-9 (2023)
The evolution of charge carriers in photoexcited room temperature ZnO nanoparticles in solution is investigated using ultrafast ultraviolet photoluminescence spectroscopy, ultrafast Zn K-edge absorption spectroscopy, and ab initio molecular dynamics
Externí odkaz:
https://doaj.org/article/05232b4aacf64feebd0d51544385296e
Publikováno v:
New Journal of Physics, Vol 26, Iss 9, p 093014 (2024)
Determination and interpretation of Wigner-like photoionisation delays is one of the most active fields of attosecond science. Previous results have suggested that large photoionisation delays are associated with structured continua, but a quantitati
Externí odkaz:
https://doaj.org/article/5ba7a16d12aa4d1b96648a34064de909
Autor:
Wenyu Jiang, Gregory S. J. Armstrong, Jihong Tong, Yidan Xu, Zitan Zuo, Junjie Qiang, Peifen Lu, Daniel D. A. Clarke, Jakub Benda, Avner Fleischer, Hongcheng Ni, Kiyoshi Ueda, Hugo W. van der Hart, Andrew C. Brown, Xiaochun Gong, Jian Wu
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)
Understanding the photoelectron emission time after the interaction of photon with atoms and molecules is of fundamental interest. Here the authors examine the role of partial waves to the photoionization phase shift of atoms using an attosecond cloc
Externí odkaz:
https://doaj.org/article/191821a8e0104836ae8f4810d3902ca5
Autor:
Franklin D. Fuller, Anton Loukianov, Tsukasa Takanashi, Daehyun You, Yiwen Li, Kiyoshi Ueda, Thomas Fransson, Makina Yabashi, Tetsuo Katayama, Tsu-Chien Weng, Roberto Alonso-Mori, Uwe Bergmann, Jan Kern, Vittal K. Yachandra, Philippe Wernet, Junko Yano
Publikováno v:
Communications Chemistry, Vol 4, Iss 1, Pp 1-9 (2021)
X-ray absorption and X-ray free electron lasers are important tools to study chemical and structural dynamics, but spectral details like pre-edge features are inherently hard to detect. Here, the authors show that stochastic spectroscopy can yield si
Externí odkaz:
https://doaj.org/article/e360241e7f52469a966a3346f8fd52ca
Autor:
Akinobu Niozu, Yoshiaki Kumagai, Toshiyuki Nishiyama, Hironobu Fukuzawa, Koji Motomura, Maximilian Bucher, Kazuki Asa, Yuhiro Sato, Yuta Ito, Tsukasa Takanashi, Daehyun You, Taishi Ono, Yiwen Li, Edwin Kukk, Catalin Miron, Liviu Neagu, Carlo Callegari, Michele Di Fraia, Giorgio Rossi, Davide E. Galli, Tommaso Pincelli, Alessandro Colombo, Shigeki Owada, Kensuke Tono, Takashi Kameshima, Yasumasa Joti, Tetsuo Katayama, Tadashi Togashi, Makina Yabashi, Kazuhiro Matsuda, Kiyonobu Nagaya, Christoph Bostedt, Kiyoshi Ueda
Publikováno v:
IUCrJ, Vol 7, Iss 2, Pp 276-286 (2020)
Characterizing and controlling the uniformity of nanoparticles is crucial for their application in science and technology because crystalline defects in the nanoparticles strongly affect their unique properties. Recently, ultra-short and ultra-bright
Externí odkaz:
https://doaj.org/article/e47ca3c78da14cf981fb4678ef41daa8
Autor:
Toshiyuki Nishiyama, Akinobu Niozu, Christoph Bostedt, Ken R. Ferguson, Yuhiro Sato, Christopher Hutchison, Kiyonobu Nagaya, Hironobu Fukuzawa, Koji Motomura, Shin-ichi Wada, Tsukasa Sakai, Kenji Matsunami, Kazuhiro Matsuda, Tetsuya Tachibana, Yuta Ito, Weiqing Xu, Subhendu Mondal, Takayuki Umemoto, Christophe Nicolas, Catalin Miron, Takashi Kameshima, Yasumasa Joti, Kensuke Tono, Takaki Hatsui, Makina Yabashi, Kiyoshi Ueda
Publikováno v:
IUCrJ, Vol 7, Iss 1, Pp 10-17 (2020)
With the emergence of X-ray free-electron lasers, it is possible to investigate the structure of nanoscale samples by employing coherent diffractive imaging in the X-ray spectral regime. In this work, we developed a refinement method for structure re
Externí odkaz:
https://doaj.org/article/97df9db764404b8c9a357a33da0ae0b3
Autor:
Yoshiaki Kumagai, Weiqing Xu, Kazuki Asa, Toshiyuki Hiraki Nishiyama, Koji Motomura, Shin-ichi Wada, Denys Iablonskyi, Subhendu Mondal, Tetsuya Tachibana, Yuta Ito, Tsukasa Sakai, Kenji Matsunami, Takayuki Umemoto, Christophe Nicolas, Catalin Miron, Tadashi Togashi, Kanade Ogawa, Shigeki Owada, Kensuke Tono, Makina Yabashi, Hironobu Fukuzawa, Kiyonobu Nagaya, Kiyoshi Ueda
Publikováno v:
Applied Sciences, Vol 13, Iss 4, p 2176 (2023)
Ultrashort pulse X-ray free electron lasers (XFFLs) provided us with an unprecedented regime of X-ray intensities, revolutionizing ultrafast structure determination and paving the way to the novel field of non-linear X-ray optics. While pioneering st
Externí odkaz:
https://doaj.org/article/7cb7abe2059243caa663e3eb001ed867
Autor:
Hironobu Fukuzawa, Tsukasa Takanashi, Edwin Kukk, Koji Motomura, Shin-ichi Wada, Kiyonobu Nagaya, Yuta Ito, Toshiyuki Nishiyama, Christophe Nicolas, Yoshiaki Kumagai, Denys Iablonskyi, Subhendu Mondal, Tetsuya Tachibana, Daehyun You, Syuhei Yamada, Yuta Sakakibara, Kazuki Asa, Yuhiro Sato, Tsukasa Sakai, Kenji Matsunami, Takayuki Umemoto, Kango Kariyazono, Shinji Kajimoto, Hikaru Sotome, Per Johnsson, Markus S. Schöffler, Gregor Kastirke, Kuno Kooser, Xiao-Jing Liu, Theodor Asavei, Liviu Neagu, Serguei Molodtsov, Kohei Ochiai, Manabu Kanno, Kaoru Yamazaki, Shigeki Owada, Kanade Ogawa, Tetsuo Katayama, Tadashi Togashi, Kensuke Tono, Makina Yabashi, Aryya Ghosh, Kirill Gokhberg, Lorenz S. Cederbaum, Alexander I. Kuleff, Hiroshi Fukumura, Naoki Kishimoto, Artem Rudenko, Catalin Miron, Hirohiko Kono, Kiyoshi Ueda
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-8 (2019)
Understanding strong X-ray induced phenomena is important for applications of X-ray free-electron laser imaging. Here, the authors show time-resolved measurements of X-ray free-electron laser induced electronic decay of CH2I2 molecule probed with NIR
Externí odkaz:
https://doaj.org/article/92903fed943349d7a69ef7b3b9aa3fab